/**
 * 
 */
package design_pattern.facade.security;

/**
 * @author linzq
 *
 */
public class Sensor {

  public void active() {
    System.out.println("启动感应器。");
  }

  public void deactive() {
    System.out.println("关闭感应器。");
  }

  public void trigger() {
    System.out.println("触发感应器。");
  }
}
